The aim of this prospective, randomized, clinical trial was to evaluate the effect of 1.3% sodium hypochlorite (NaOCl) concentration versus 5.25% NaOCl concentration on post-operative pain and medication intake in adult patients with pulp necrosis in mandibular molars.
The aim of this prospective, randomized, clinical trial was to evaluate the effect of 1.3% sodium hypochlorite (NaOCl) concentration versus 5.25% NaOCl concentration on post-operative pain and medication intake in adult patients with pulp necrosis in mandibular molars. Medical and dental history was obtained from all participants in this trial and clinical and radiographic evaluation for teeth was recorded. Participants with pulp necrosis with or without apical periodontitis were included. After access cavity preparation, participants were randomly assigned to one of the following groups: experimental group (irrigation using 1.3% NaOCl) or control group (irrigation using 5.25% NaOCl ). Two-visit root canal treatment was performed with a week interval in between visits. Each patient received a 7-day diary to record postoperative pain and rescue medication intake. Post-operative pain was measured at the following time points: immediately , 3, 24, 48 hours and 7 days after the first visit and postobturation.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
308
Endodontic irrigant
Endodontic irrigant
Postoperative pain using a pain-measuring scale
Postoperative pain is measured using the Numerical Rating Scale (NRS) which is an 11-point scale from 0-10 where 0 represents no pain and 10 represents the worst pain measured immediately after the first visit
Time frame: immediately after treatment
Postoperative pain using a pain-measuring scale
Postoperative pain is measured using the Numerical Rating Scale (NRS) which is an 11-point scale from 0-10 where 0 represents no pain and 10 represents the worst pain measured 3 hours after the first visit
Time frame: 3 hours
Postoperative pain using a pain-measuring scale
Postoperative pain is measured using the Numerical Rating Scale (NRS) which is an 11-point scale from 0-10 where 0 represents no pain and 10 represents the worst pain measured 24 hours after the first visit
Time frame: 24 hours
Postoperative pain using a pain-measuring scale
Postoperative pain is measured using the Numerical Rating Scale (NRS) which is an 11-point scale from 0-10 where 0 represents no pain and 10 represents the worst pain measured 48 hours after the first visit
Time frame: 48 hours
Postoperative pain using a pain-measuring scale
Postoperative pain is measured using the Numerical Rating Scale (NRS) which is an 11-point scale from 0-10 where 0 represents no pain and 10 represents the worst pain measured 7 days after the first visit
Time frame: 7 days
Postoperative pain using a pain-measuring scale
Postoperative pain is measured using the Numerical Rating Scale (NRS) which is an 11-point scale from 0-10 where 0 represents no pain and 10 represents the worst pain measured immediately after obturation.
Time frame: immediately after obturation
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Sham medication intake incidence
Sham medication intake incidence (Yes/No) taken as an initial rescue medication in case of postoperative pain.
Time frame: 7 days
Analgesic medication intake incidence
Analgesic medication intake incidence (Yes/No) as a rescue medication in case postoperative pain persisted after the sham medication intake.
Time frame: 7 days